Merge pull request #44 from BitGo/BG-59468-increase-max-bigint

feat(doge): increase max big max satoshi to mongo long

Author: saravanan7mani

src/types.js

@@ -48,7 +48,8 @@ function Signer(obj) {
 }
 exports.Signer = Signer;
 const SATOSHI_MAX = 21 * 1e14;
-const BIG_SATOSHI_MAX = BigInt('1000000000000000000');
+// Value 2^63 - 1 is the maximum value stored in mongodb long type
+const BIG_SATOSHI_MAX = (1n << 63n) - 1n;
 function Satoshi(value) {
   return (
     (exports.typeforce.UInt53(value) && value <= SATOSHI_MAX) ||